Great- I think this will bring forth the root cause of the problem which is employer tied benefits and employer tied taxes. Right now there are entire business models based on avoiding taxes and benefits.
You can have protections like min wage, sick leave, etc and still make it really simple os that evvery individual pays the entire tax (employer and employee payroll taxes) for every dollar they earn. It can be scaled based on annual amounts just like they are now. It'll be transparent and everyone will pay it.